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DavGetUNCFromHTTPPath

関数

WebDAVのHTTP URLを対応するUNCパスに変換する。

DLLNETAPI32.dll呼出規約winapi対応OSWindows Vista 以降

シグネチャ

// NETAPI32.dll
#include <windows.h>

DWORD DavGetUNCFromHTTPPath(
    LPCWSTR Url,
    LPWSTR UncPath,   // optional
    DWORD* lpSize
);

パラメーター

名前	型	方向
Url	LPCWSTR	in
UncPath	LPWSTR	outoptional
lpSize	DWORD*	inout

戻り値の型: DWORD

各言語での呼び出し定義

// NETAPI32.dll
#include <windows.h>

DWORD DavGetUNCFromHTTPPath(
    LPCWSTR Url,
    LPWSTR UncPath,   // optional
    DWORD* lpSize
);

[DllImport("NETAPI32.dll", ExactSpelling = true)]
static extern uint DavGetUNCFromHTTPPath(
    [MarshalAs(UnmanagedType.LPWStr)] string Url,   // LPCWSTR
    [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder UncPath,   // LPWSTR optional, out
    ref uint lpSize   // DWORD* in/out
);

<DllImport("NETAPI32.dll", ExactSpelling:=True)>
Public Shared Function DavGetUNCFromHTTPPath(
    <MarshalAs(UnmanagedType.LPWStr)> Url As String,   ' LPCWSTR
    <MarshalAs(UnmanagedType.LPWStr)> UncPath As System.Text.StringBuilder,   ' LPWSTR optional, out
    ByRef lpSize As UInteger   ' DWORD* in/out
) As UInteger
End Function

' Url : LPCWSTR
' UncPath : LPWSTR optional, out
' lpSize : DWORD* in/out
Declare PtrSafe Function DavGetUNCFromHTTPPath Lib "netapi32" ( _
    ByVal Url As LongPtr, _
    ByVal UncPath As LongPtr, _
    ByRef lpSize As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

DavGetUNCFromHTTPPath = ctypes.windll.netapi32.DavGetUNCFromHTTPPath
DavGetUNCFromHTTPPath.restype = wintypes.DWORD
DavGetUNCFromHTTPPath.argtypes = [
    wintypes.LPCWSTR,  # Url : LPCWSTR
    wintypes.LPWSTR,  # UncPath : LPWSTR optional, out
    ctypes.POINTER(wintypes.DWORD),  # lpSize : DWORD* in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('NETAPI32.dll')
DavGetUNCFromHTTPPath = Fiddle::Function.new(
  lib['DavGetUNCFromHTTPPath'],
  [
    Fiddle::TYPE_VOIDP,  # Url : LPCWSTR
    Fiddle::TYPE_VOIDP,  # UncPath : LPWSTR optional, out
    Fiddle::TYPE_VOIDP,  # lpSize : DWORD* in/out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "netapi32")]
extern "system" {
    fn DavGetUNCFromHTTPPath(
        Url: *const u16,  // LPCWSTR
        UncPath: *mut u16,  // LPWSTR optional, out
        lpSize: *mut u32  // DWORD* in/out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("NETAPI32.dll")]
public static extern uint DavGetUNCFromHTTPPath([MarshalAs(UnmanagedType.LPWStr)] string Url, [MarshalAs(UnmanagedType.LPWStr)] System.Text.StringBuilder UncPath, ref uint lpSize);
"@
$api = Add-Type -MemberDefinition $sig -Name 'NETAPI32_DavGetUNCFromHTTPPath' -Namespace Win32 -PassThru
# $api::DavGetUNCFromHTTPPath(Url, UncPath, lpSize)

#uselib "NETAPI32.dll"
#func global DavGetUNCFromHTTPPath "DavGetUNCFromHTTPPath" sptr, sptr, sptr
; DavGetUNCFromHTTPPath Url, varptr(UncPath), varptr(lpSize)   ; 戻り値は stat
; Url : LPCWSTR -> "sptr"
; UncPath : LPWSTR optional, out -> "sptr"
; lpSize : DWORD* in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

出力引数:

#uselib "NETAPI32.dll"
#cfunc global DavGetUNCFromHTTPPath "DavGetUNCFromHTTPPath" wstr, var, var
; res = DavGetUNCFromHTTPPath(Url, UncPath, lpSize)
; Url : LPCWSTR -> "wstr"
; UncPath : LPWSTR optional, out -> "var"
; lpSize : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "NETAPI32.dll"
#cfunc global DavGetUNCFromHTTPPath "DavGetUNCFromHTTPPath" wstr, sptr, sptr
; res = DavGetUNCFromHTTPPath(Url, varptr(UncPath), varptr(lpSize))
; Url : LPCWSTR -> "wstr"
; UncPath : LPWSTR optional, out -> "sptr"
; lpSize : DWORD* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; DWORD DavGetUNCFromHTTPPath(LPCWSTR Url, LPWSTR UncPath, DWORD* lpSize)
#uselib "NETAPI32.dll"
#cfunc global DavGetUNCFromHTTPPath "DavGetUNCFromHTTPPath" wstr, var, var
; res = DavGetUNCFromHTTPPath(Url, UncPath, lpSize)
; Url : LPCWSTR -> "wstr"
; UncPath : LPWSTR optional, out -> "var"
; lpSize : DWORD* in/out -> "var"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; DWORD DavGetUNCFromHTTPPath(LPCWSTR Url, LPWSTR UncPath, DWORD* lpSize)
#uselib "NETAPI32.dll"
#cfunc global DavGetUNCFromHTTPPath "DavGetUNCFromHTTPPath" wstr, intptr, intptr
; res = DavGetUNCFromHTTPPath(Url, varptr(UncPath), varptr(lpSize))
; Url : LPCWSTR -> "wstr"
; UncPath : LPWSTR optional, out -> "intptr"
; lpSize : DWORD* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	netapi32 = windows.NewLazySystemDLL("NETAPI32.dll")
	procDavGetUNCFromHTTPPath = netapi32.NewProc("DavGetUNCFromHTTPPath")
)

// Url (LPCWSTR), UncPath (LPWSTR optional, out), lpSize (DWORD* in/out)
r1, _, err := procDavGetUNCFromHTTPPath.Call(
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(Url))),
	uintptr(UncPath),
	uintptr(lpSize),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // DWORD

function DavGetUNCFromHTTPPath(
  Url: PWideChar;   // LPCWSTR
  UncPath: PWideChar;   // LPWSTR optional, out
  lpSize: Pointer   // DWORD* in/out
): DWORD; stdcall;
  external 'NETAPI32.dll' name 'DavGetUNCFromHTTPPath';

result := DllCall("NETAPI32\DavGetUNCFromHTTPPath"
    , "WStr", Url   ; LPCWSTR
    , "Ptr", UncPath   ; LPWSTR optional, out
    , "Ptr", lpSize   ; DWORD* in/out
    , "UInt")   ; return: DWORD

●DavGetUNCFromHTTPPath(Url, UncPath, lpSize) = DLL("NETAPI32.dll", "dword DavGetUNCFromHTTPPath(char*, char*, void*)")
# 呼び出し: DavGetUNCFromHTTPPath(Url, UncPath, lpSize)
# Url : LPCWSTR -> "char*"
# UncPath : LPWSTR optional, out -> "char*"
# lpSize : DWORD* in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。